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Finding the Fourth Proportional to 18,044, 27,066.16 and 7,100

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Solution

The fourth proportional to 18,044, 27,066.16 and 7,100 is: 10,650.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,044 : 27,066.16 = 7,100 : x
  2. Step 2: Convert to fraction form
    18,044/27,066.16 = 7,100/x
  3. Step 3: Cross multiply
    18,044x = 27,066.16 × 7,100
  4. Step 4: Simplify right side
    18,044x = 192,169,736
  5. Step 5: Solve for x
    x = 192,169,736/18,044
  6. Step 6: Final answer
    x = 10,650.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.